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- THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY(36)
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Tyrphostin ErbB2 Inhibitors AG825 and AG879 Have Non-specific Suppressive Effects on gp130/ STAT3 Signaling
HyunKyoungLee, InAeSeo, SangHwaLee, Su-YoungSeo, KyungSupKim, HwanTaePark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.5 10 281-285 (5 pages)
of STAT3 in schwannoma cells. However, biochemical evidence for transactivation of ErbB2 by IL-6 was not observed. Additionally, the inhibition of ErbB2 expression, with either a specific RNAi or transfection of an ErbB2 mutant lacking the intracellular domain did not inhibit the IL-6-induced tyrosine phosphorylation of STAT3. Thus, it seems that tyrphostins, which are known as specific inhibitors of the ErbB2 kinase, may have non-specific suppressive effects on the IL-6/STAT3 pathway. -
p66shc Adaptor Protein Suppresses the Activation of Endothelial Nitric Oxide Synthase in Mouse Embryonic Fibroblasts
SangKiLee, YoungShinKim, CukSeongKim, SookJinSon, DaeGoonYoo, KwonHoLee, SangDoLee, JinBongPark, ByeongHwaJeon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2006, Vol.10 No.3 7 155-160 (6 pages)
from that of WT of MEFs. However, superoxide production induced by NADPH in the p66shc (/) MEF was lesser than that in WT MEFs. When compared with WT MEFs, cell lysate of p66shc (/) MEFs showed significantly increased H-ras activity without change of endogenous H-ras expression. Our findings suggest the pivotal role of p66shc adaptor protein played in inhibition of endothelial nitric oxide production via modulation of the expression and/or activity of eNOS protein. -
Open Channel Block of Kv3.1 Currents by Genistein, a Tyrosine Kinase Inhibitor
BokHeeChoi, JiHyunPark, SangJuneHahn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2006, Vol.10 No.2 3 71-78 (8 pages)
The goal of this study was to analyze the effects of genistein, a widely used tyrosine kinase inhibitor, on cloned Shaw-type K currents, Kv3.1 which were stably expressed in Chinese hamster ovary (CHO) cells, using the whole-cell configuration of patch-clamp techniques. In whole-cell recordings, genistein at external concentrations from 10 to 100μM accelerated the rate of inactivation of Kv3.1 currents, thereby concentration-dependently reducing the current at the end of depolarizing... -
Prevention of Diabetes Using Adenoviral Mediated Hepatocyte Growth Factor Gene Transfer in Mice
Hye-JeongLee, Hyun-JeongKim, Mee-SookRoh, Jae-IkLee, Sung-WonLee, Dong-SikJung, Duk-KyuKim, Mi-KyoungPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.5 3 261-266 (6 pages)
HGF via viral vector in the development of streptozotocin (STZ)-induced diabetes in mice, we have developed an adenoviral vector genetically engineered to carry the gene for human HGF (hHGF) and evaluate the change of blood glucose, insulin level, and insulin-secreting beta cells of pancreatic islets. We demonstrate that the treatment with hHGF gene prevented the development of STZ-induced diabetes and increased serum insulin level to above normal range. Furthermore, it preserved pancreatic beta... -
Intrinsic Gating in Inward Rectifier Potassium Channels (Kir2.1) with Low Polyamine Affinity Generated by Site Directed Mutagenesis
ISo, , IAshmole, HSoh, CSPark, PJSpencer, MLeyl, PRStanfield, 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 12 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 3 131-142 (12 pages)
in D172H at pHi 6.3. In the presence of dual mutants of Kir2.1, where E224 is also replaced, spermine affinity becomes undetectable. However, channels still show inward rectification and open and shut under hyper- and depolarisation, respectively. We suggest that Kir2.1 channel are able to undergo conformation changes; these changes may be important physiologically in generating inward rectification, the normal parameters of which are set by the binding of polyamines such as spermine. -
Molecular Analysis of AQP2 Promoter. I. cAMP-dependent Regulation of Mouse AQP2 Gene
MiYoungPark, YongHwanLee, HaeRahnBae, RyangHwaLee, SangHoLee, JinSupJung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 5 157-164 (8 pages)
or forskolin/ isobutylmethylxanthine (IBMX) increased the AQP2 expression in IMCD cells. In both IMCD and NIH3T3 cells, the constructs containing the promoter of AQP2 gene showed promoter activities, indicating lack of tissue-specific element in the 1.4 kb 5'-flanking region of the mouse AQP2 gene. Luciferase activity in the IMCD cells transfected with the construct containing 5-flanking region showed responsiveness to cpt-cAMP, indicating that the 1.4 kb 5'-flanking region contains the element... -
Role of Trehalose Synthesis in Ralstonia syzygii subsp. indonesiensis PW1001 in Inducing Hypersensitive Response on Eggplant (Solanum melongena cv. Senryo-nigou)
Nur Laili, Takafumi Mukaihara, Hidenori Matsui, Mikihiro Yamamoto, Yoshiteru Noutoshi, Kazuhiro Toyoda, Yuki Ichinose 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 6호 7 566-579 (14 pages)
Ralstonia syzygii subsp. indonesiensis (Rsi, former name: Ralstonia solanacearum phylotype IV) PW1001, a causal agent of potato wilt disease, induces hypersen- sitive response (HR) on its non-host eggplant (Solanum melongena cv. Senryo-nigou). The disaccharide treha- lose is involved in abiotic and biotic stress tolerance in many organisms. We found that trehalose is required for eliciting HR on eggplant by plant pathogen Rsi PW1001. In R. solanacearum, it is known that the OtsA/ OtsB pathway is... -
A Genome-Wide Analysis of Antibiotic Producing Genes in Streptomyces globisporus SP6C4
Da-Ran Kim, Youn-Sig Kwak 한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 4호 8 389-395 (7 pages)
Soil is the major source of plant-associated microbes. Several fungal and bacterial species live within plant tissues. Actinomycetes are well known for producing a variety of antibiotics, and they contribute to improving plant health. In our previous report, Streptomyces glo- bisporus SP6C4 colonized plant tissues and was able to move to other tissues from the initially colonized ones. This strain has excellent antifungal and antibacterial activities and provides a suppressive effect upon... -
Resistance to Turnip Mosaic Virus in the Family Brassicaceae
Peter Palukaitis, Su Kim 한국식물병리학회 The Plant Pathology Journal 23 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 1호 1 1-23 (23 pages)
Resistance to diseases caused by turnip mosaic virus (TuMV) in crop species of the family Brassicaceae has been studied extensively, especially in members of the genus Brassica. The variation in response observed on resistant and susceptible plants inoculated with different isolates of TuMV is due to a combination of the variation in the plant resistome and the variation in the virus genome. Here, we review the breadth of this variation, both at the level of variation in TuMV sequences, with one... -
Calcineurin-Responsive Transcription Factor CgCrzA Is Required for Cell Wall Integrity and Infection-Related Morphogenesis in Colletotrichum gloeosporioides
Ping Wang, Bing Li, Yu-Ting Pan, Yun-Zhao Zhang, De-Wei Li, Lin Huang 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 5호 1 385-397 (13 pages)
The ascomycete fungus Colletotrichum gloeosporioides infects a wide range of plant hosts and causes enormous economic losses in the world. The transcription factors (TFs) play an important role in development and pathogenicity of many organisms. In this study, we found that the C2H2 TF CgCrzA is localized in both cytoplasm and nucleus under standard condition, and it translocated from cytoplasm to nucleus in a calcineurin- dependent manner. Moreover, the ΔCgCrzA was hypersensitive to cell wall...
